Shaving razor using blade cartridge and blade cartridge therefor
CA 2373662 A1 · Owner: Coffin, David Charles · Inventors: Coffin, David Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a shaving razor using a blade cartridge the reusable assembly of, the razor includes a guard element and the blade cartridge is designed with no parts, located in front of the blade edge or edges and when the blade cartridge is , installed in the reusable assembly, the guard element of the reusable assembly becomes located in front of the blade edge or edges of the blade cartridge to cooperate with, the blade edges in a customary way to stretch the skin and erect the beard hairs in, advance of the cutting edge. The blade cartridge is also movable about two different, pivot axes to improve the safety of the razor during use.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed February 27, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 27, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 27, 2024.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.